注意: このページはまだ日本語に翻訳されていません。以下は英語の原文です。
json using the password.
If provided, progress will be called periodically during the decrpytion to provide feedback, and if the function
returns false will halt decryption.
The progressCallback will always receive 0 before decryption begins and 1 when complete.
Parameters
Returns
Promise<KeystoreAccount>
The decrypted account.